======================== unified (from filesystem) ========================
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                                        'duration'  '193'
                                          'artist'  "Edna's Goldfish"
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                                           'title'  'Veronica Sawyer'
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                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'skankable']"
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'TBPM' (BPM (beats per minute))                     '129.646'
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'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-10-19'
'TIT2' (Title/songname/content description)         'Veronica Sawyer'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Edna's Goldfish"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              "Edna's Goldfish"
'TSOP' (Performer sort order)                       "Edna's Goldfish"
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1e91991f-2111-4473-a4d1-797844ea8804'
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'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'skankable']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-syn'                                        '2'
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'TXXX:replaygain_track_gain'                        '+1.99 dB'
'TXXX:replaygain_track_peak'                        '0.381415'
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========================== row from database ==========================
                                              'id'  1532648
                                            'path'  /data/Music/Bulk/00poprockelectronic/edna_s goldfish/Edna_s Goldfish - Veronica Sawyer.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  3097881
                                           'mtime'  1620532953
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic edna_s goldfish Edna_s rock gr punk ska
                                      'tag_artist'  Edna's Goldfish
                                     'tag_release'  The Elements of Transition
                                       'tag_title'  Veronica Sawyer
                                             'bpm'  129.646
                                    'search_title'  'sawyer':2 'veronica':1
                                   'search_artist'  'edna':1 'ednas':3 'goldfish':4 's':2
                                  'search_release'  'elements':2 'of':3 'the':1 'transition':4
                                     'search_rest'  '00poprockelectronic':1 'edna':2 'goldfish':4 'gr':6 'punk':7 'rock':5 's':3 'ska':8
                                    'search_combo'  '00poprockelectronic':11 'edna':3B,12 'ednas':5B 'elements':8C 'goldfish':6B,14 'gr':16 'of':9C 'punk':17 'rock':15 's':4B,13 'sawyer':2A 'ska':18 'the':7C 'transition':10C 'veronica':1A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'skankable']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532953.0770745  (2021-05-09 06:02:33)
                             'size'  3097881